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The Spectrum of a Large N Gauge Theory Near Transition from Confinement to Screening
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abstract
We study the spectrum of 1+1 dimensional large $N$ QCD coupled to an adjoint Majorana fermion of mass $m$. As $m\to 0$ this model makes a transition from confinement to screening. We argue that in this limit the spectrum becomes continuous for mass greater than twice the mass of the lightest bound state. This critical mass is nothing but the threshold for a decay into two lightest states. We present numerical results based on DLCQ that appear to support our claim.
Forward citations
Cited by 2 Pith papers
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Infinite matrix product states for $(1+1)$-dimensional gauge theories
A matrix product operator construction using link-enhanced MPOs enables infinite-lattice simulations of (1+1)D gauge theories with manifest translation invariance and symmetry.
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Supercurrents and (Partial) Supersymmetry in Adjoint QCD$_2$ and Its Generalizations
A conserved Lorentz covariant supercurrent is constructed in adjoint QCD2 and its generalizations, fixing the supersymmetric mass and yielding new fully supersymmetric gapless models.
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